Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 428948 found under Manifold Assembly Anti Icing Air by E A Patten Co The. The National Stock Number assigned to this part is 2995011605434, and the Federal Supply Class is 2995 Miscellaneous Engine Accessories Aircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 428948.